Climatological Report (Daily)
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000
CDUS43 KLOT 310643
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
143 AM CDT SUN JUL 31 2016


...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 30 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         78    314 PM 102    1916  83     -5       88
  MINIMUM         68   1158 PM  50    1984  64      4       65
  AVERAGE         73                        74     -1       77

PRECIPITATION (IN)
  YESTERDAY        0.00          2.43 1979   0.14  -0.14     0.00
  MONTH TO DATE    6.23                      3.55   2.68     2.85
  SINCE JUN 1      9.08                      7.00   2.08     9.97
  SINCE JAN 1     22.72                     20.08   2.64    21.46

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0       T
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0       13
  SINCE JUN 1     13                        48    -35       52
  SINCE JUL 1      0                         0      0       13

 COOLING
  YESTERDAY        8                         9     -1       12
  MONTH TO DATE  324                       269     55      234
  SINCE JUN 1    540                       434    106      352
  SINCE JAN 1    614                       488    126      405
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     8.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           200 AM
 LOWEST     64           300 PM
 AVERAGE    77

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        99      2006
                                             1945
 MINIMUM TEMPERATURE (F)   64        51      1984


SUNRISE AND SUNSET
JULY 31 2016..........SUNRISE   545 AM CDT   SUNSET   811 PM CDT
AUGUST  1 2016........SUNRISE   546 AM CDT   SUNSET   810 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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